Potassium in PDB 7ll0: Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex

The structure of Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex, PDB code: 7ll0 was solved by L.A.Yatsunyk, E.V.Chen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.09 / 2.00
Space group	P 2 21 21
Cell size a, b, c (Å), α, β, γ (°)	30.09, 36.474, 53.253, 90, 90, 90
R / Rfree (%)	21.4 / 23.9

The binding sites of Potassium atom in the Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex (pdb code 7ll0). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex, PDB code: 7ll0:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K101 b:53.6 occ:0.50 O6 A:DG10 2.6 53.6 1.0 O6 A:DG22 2.7 52.7 1.0 O6 A:DG16 2.8 46.9 1.0 O6 A:DG4 2.8 55.3 1.0 K A:K102 3.3 56.4 1.0 C6 A:DG10 3.5 56.9 1.0 C6 A:DG22 3.6 58.4 1.0 C6 A:DG4 3.6 57.1 1.0 C6 A:DG16 3.7 57.4 1.0 N1 A:DG4 3.9 51.6 1.0 N1 A:DG10 3.9 49.6 1.0 N1 A:DG22 3.9 54.3 1.0 N1 A:DG16 3.9 50.0 1.0 C5 A:DG10 4.7 57.0 1.0 C5 A:DG22 4.8 56.1 1.0 C5 A:DG4 4.9 55.9 1.0 C5 A:DG16 4.9 52.6 1.0

Potassium binding site 2 out of 4 in the Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K102 b:56.4 occ:1.00 O6 A:DG11 2.6 55.5 1.0 O6 A:DG22 2.7 52.7 1.0 O6 A:DG23 2.7 53.6 1.0 O6 A:DG10 2.7 53.6 1.0 O6 A:DG5 2.7 55.6 1.0 O6 A:DG17 2.7 52.7 1.0 O6 A:DG4 2.8 55.3 1.0 O6 A:DG16 2.8 46.9 1.0 K A:K101 3.3 53.6 0.5 K A:K103 3.4 58.9 1.0 C6 A:DG11 3.5 57.7 1.0 C6 A:DG22 3.6 58.4 1.0 C6 A:DG23 3.6 56.7 1.0 C6 A:DG5 3.6 57.9 1.0 C6 A:DG17 3.6 55.6 1.0 C6 A:DG10 3.6 56.9 1.0 C6 A:DG4 3.6 57.1 1.0 C6 A:DG16 3.6 57.4 1.0 N1 A:DG11 3.8 57.9 1.0 N1 A:DG22 3.9 54.3 1.0 N1 A:DG4 3.9 51.6 1.0 N1 A:DG23 3.9 53.7 1.0 N1 A:DG16 3.9 50.0 1.0 N1 A:DG5 4.0 58.7 1.0 N1 A:DG17 4.0 57.5 1.0 N1 A:DG10 4.0 49.6 1.0 C5 A:DG11 4.7 57.1 1.0 C5 A:DG22 4.7 56.1 1.0 C5 A:DG10 4.8 57.0 1.0 C5 A:DG17 4.8 54.3 1.0 C5 A:DG5 4.8 57.5 1.0 C5 A:DG23 4.8 54.2 1.0 C5 A:DG4 4.9 55.9 1.0 C5 A:DG16 4.9 52.6 1.0

Potassium binding site 3 out of 4 in the Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K103 b:58.9 occ:1.00 O6 A:DG18 2.5 64.1 1.0 O6 A:DG24 2.6 58.1 1.0 O6 A:DG6 2.7 59.3 1.0 O6 A:DG12 2.8 64.6 1.0 O6 A:DG5 2.8 55.6 1.0 O6 A:DG23 2.8 53.6 1.0 O6 A:DG17 2.9 52.7 1.0 O6 A:DG11 2.9 55.5 1.0 K A:K102 3.4 56.4 1.0 C6 A:DG18 3.4 65.2 1.0 C6 A:DG24 3.5 62.9 1.0 C6 A:DG12 3.6 62.9 1.0 C6 A:DG23 3.6 56.7 1.0 C6 A:DG5 3.7 57.9 1.0 C6 A:DG6 3.7 63.2 1.0 N1 A:DG18 3.7 62.8 1.0 C6 A:DG11 3.7 57.7 1.0 N1 A:DG24 3.8 59.5 1.0 K A:K104 3.8 76.7 1.0 N1 A:DG12 3.8 57.1 1.0 C6 A:DG17 3.8 55.6 1.0 N1 A:DG23 4.0 53.7 1.0 N1 A:DG6 4.0 64.2 1.0 N1 A:DG11 4.0 57.9 1.0 N1 A:DG5 4.0 58.7 1.0 N1 A:DG17 4.2 57.5 1.0 C5 A:DG18 4.7 57.2 1.0 C5 A:DG23 4.8 54.2 1.0 C5 A:DG24 4.8 64.3 1.0 C5 A:DG5 4.8 57.5 1.0 C5 A:DG12 4.9 63.4 1.0 C5 A:DG11 4.9 57.1 1.0 C5 A:DG6 4.9 67.0 1.0 O6 A:DG19 5.0 70.6 1.0 O6 A:DG25 5.0 69.2 1.0

Potassium binding site 4 out of 4 in the Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of A Four-Tetrad, Parallel, and K+ Stabilized Tetrahymena Thermophila Telomeric G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K104 b:76.7 occ:1.00 O6 A:DG7 2.4 68.1 1.0 O6 A:DG19 2.5 70.6 1.0 O6 A:DG25 2.6 69.2 1.0 O6 A:DG13 2.6 75.6 1.0 O6 A:DG12 3.3 64.6 1.0 O6 A:DG18 3.3 64.1 1.0 C6 A:DG7 3.4 69.0 1.0 O6 A:DG6 3.4 59.3 1.0 C6 A:DG13 3.4 75.3 1.0 C6 A:DG19 3.4 68.5 1.0 N1 A:DG13 3.5 71.0 1.0 O6 A:DG24 3.5 58.1 1.0 C6 A:DG25 3.5 71.7 1.0 N1 A:DG19 3.7 68.2 1.0 N1 A:DG7 3.7 72.6 1.0 K A:K103 3.8 58.9 1.0 N1 A:DG25 3.8 69.9 1.0 C6 A:DG12 4.0 62.9 1.0 C6 A:DG18 4.1 65.2 1.0 C6 A:DG6 4.1 63.2 1.0 C6 A:DG24 4.1 62.9 1.0 N1 A:DG12 4.2 57.1 1.0 N1 A:DG6 4.3 64.2 1.0 N1 A:DG24 4.4 59.5 1.0 N1 A:DG18 4.4 62.8 1.0 C5 A:DG7 4.7 70.5 1.0 C2 A:DG13 4.7 73.5 1.0 C5 A:DG19 4.8 67.2 1.0 C5 A:DG13 4.8 75.9 1.0 C5 A:DG25 4.9 73.0 1.0 N3 A:DT26 4.9 80.4 1.0

L.A.Yatsunyk, D.Beseiso, E.V.Chen, S.E.Mccarthy, J.Miao, E.P.Gallagher. Biophysical and Structural Studies of Telomeric G-Quadruplexes From Tetrahymena Thermophila To Be Published.